derbi senda sm50 exstreme 2003,spares or repair, needs quite alot of work doing to it,still runs but we think that it needs 2 water pump seals because wen the bike is running the water leaks into the gearbox and then over fills the gearbox with water and gerabox oil and pours out of the ovaflow pipe also needs a rear light unit,rear wheel,new ignition barrel,battery,rear indacators..sold as seen cash on collection.